SILK Joint Comfort Protector for Knees Fits gently and flexibly to the knee. Made with soft, smooth, and comfortable silk material, it can be used in any season. Doesn't constrict and doesn't slip! The outer side is flat-knitted, and the inner side is mesh for enhanced functionality. 《Year-round Comfortable Silk Effect》 Excellent in moisture absorption, moisture release, and heat retention, it quickly absorbs sweat and releases it to the outside air. Underwear made of silk feels warm in winter and refreshing in summer, providing comfortable wear throughout the year. Maruei Knit Co., Ltd. SILK Joint Comfort Protector for Knees 812557, for both left and right knees, Free Size, Pack of 2 Brand: - Size (S/M/L): Free Size For Left/Right: For both left and right Supporter Type: Sleeve Supporter Function: Heat retention Target: For adults Included Materials: Silk, Polyester, Polyurethane Country of Origin: Japan Color: White系 (White-based)